.htaccess

# ── Swift Livery Catalog — caché y cabeceras de seguridad ─────────────────────
# Requiere Apache/LiteSpeed con mod_headers y mod_expires (Hostinger los trae).

# ── Caché de estáticos ────────────────────────────────────────────────────────
<IfModule mod_expires.c>
  ExpiresActive On

  # Estáticos versionables: 1 año, inmutables.
  ExpiresByType font/woff2        "access plus 1 year"
  ExpiresByType image/webp        "access plus 1 year"
  ExpiresByType image/png         "access plus 1 year"
  ExpiresByType image/svg+xml     "access plus 1 year"
  ExpiresByType text/css          "access plus 1 year"
  ExpiresByType application/javascript "access plus 1 year"
  ExpiresByType text/javascript   "access plus 1 year"

  # HTML y textos que cambian: sin caché persistente.
  ExpiresByType text/html         "access plus 0 seconds"
  ExpiresByType text/plain        "access plus 0 seconds"
  ExpiresByType application/xml   "access plus 1 day"
</IfModule>

<IfModule mod_headers.c>
  # Marca immutable en los estáticos de larga vida.
  <FilesMatch "\.(woff2|webp|png|svg|css|js)$">
    Header set Cache-Control "public, max-age=31536000, immutable"
  </FilesMatch>
  <FilesMatch "\.(html|md)$">
    Header set Cache-Control "no-cache"
  </FilesMatch>

  # ── Cabeceras de seguridad ──────────────────────────────────────────────────
  Header always set X-Content-Type-Options "nosniff"
  Header always set Referrer-Policy "strict-origin-when-cross-origin"
  Header always set X-Frame-Options "DENY"
  Header always set Cross-Origin-Opener-Policy "same-origin"
  Header always set Strict-Transport-Security "max-age=31536000"
  Header always set Content-Security-Policy "default-src 'self'; img-src 'self' data:; style-src 'self' 'unsafe-inline'; script-src 'self'; font-src 'self'; connect-src 'self'; object-src 'none'; base-uri 'self'; frame-ancestors 'none'"
</IfModule>